/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.component.singleton;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.component.interceptors.AbstractEJBInterceptor;
import org.jboss.invocation.ImmediateInterceptorFactory;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
/**
* Responsible for associating the single component instance for a singleton bean during invocation.
*
* @author Jaikiran Pai
*/
public class SingletonComponentInstanceAssociationInterceptor extends AbstractEJBInterceptor {
public static final InterceptorFactory FACTORY = new ImmediateInterceptorFactory(new SingletonComponentInstanceAssociationInterceptor());
private SingletonComponentInstanceAssociationInterceptor() {
}
@Override
public Object processInvocation(InterceptorContext interceptorContext) throws Exception {
SingletonComponent singletonComponent = getComponent(interceptorContext, SingletonComponent.class);
ComponentInstance singletonComponentInstance = singletonComponent.getComponentInstance();
if (singletonComponentInstance == null) {
throw EjbLogger.ROOT_LOGGER.componentInstanceNotAvailable(interceptorContext);
}
interceptorContext.putPrivateData(ComponentInstance.class, singletonComponentInstance);
return interceptorContext.proceed();
}
}